OpenTechnical

OT-2026-000090826

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090826) never changes.

Identity and time

Publication numberOT-2026-000090826 · never reused
Internal UUID01a0ae9c-c010-7f01-a574-1ffd92bf57a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090826
StatusPUBLIC

Content hashes

Canonical text7803387045f8e69550672f5474731152907c337b11c855b3b5054d491f540496
Markdowneaea9f83a60a30e7fa40f8d3834348935fefedf3eb8014b3cb628269fd952ba7
PDF
Publication pagea50834bcb1847e7c1ef4f97ba2f96f41b32d490a0dec66c72fea788f491bd6cc
Manifest8bd518ab46bd20768b4b930c6867a0624703e2a9d6437974b457fdb950cdb6f9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehySiUkAI/bkBg4KBszm5RAfKrVFW2nNJ653g2aZIgpyl9kQoQ3/NONhaRQIxDHDTnHOsams75ii9eFz4aDIXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:52.202637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090826
observed a50834bcb1847e7c1ef4f97ba2f96f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.186442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090826/manifest.json
observed 8bd518ab46bd20768b4b930c6867a062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.171566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090826/publication.md
observed eaea9f83a60a30e7fa40f8d383434893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:52.155061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090826/publication.txt
observed 7803387045f8e69550672f5474731152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.